Free AI APIs are more generous than ever in 2026, but the fine print matters. Every provider has different limits on tokens per minute, requests per minute, concurrent connections, and credit card requirements.
Plugsky offers one of the most generous free tiers available: no credit card required, competitive RPM and TPM limits, and access to all 28 models including reasoning and code-specialized models.
Other providers have notable free tiers too. Groq offers fast inference on Llama models. Google Gemini provides free access to their Flash models. DeepSeek has a free tier with limited RPM.
The key is knowing which free tier fits your use case. For prototyping and learning, any free tier works. For production, consider the rate limits carefully — Plugsky's free tier handles most development workloads without hitting caps.
All free tiers have limitations. The trick is matching the right provider to your workload type. Use this guide to compare and choose.
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